Secret present, Sign image

Aded states and modules to allow using
secret_present, secret_absent states.

Change-Id: Idad75a8445a874e62c2e2d729cb8e98d7a37d6bd
Related-Issue: PROD-18731
diff --git a/_modules/barbicanv1/common.py b/_modules/barbicanv1/common.py
new file mode 100644
index 0000000..dd32025
--- /dev/null
+++ b/_modules/barbicanv1/common.py
@@ -0,0 +1,130 @@
+import logging
+import os_client_config
+from uuid import UUID
+try:
+    from urllib.parse import urlsplit
+except ImportError:
+    from urlparse import urlsplit
+
+log = logging.getLogger(__name__)
+
+
+class BarbicanException(Exception):
+
+    _msg = "Barbican module exception occured."
+
+    def __init__(self, message=None, **kwargs):
+        super(BarbicanException, self).__init__(message or self._msg)
+
+
+class NoBarbicanEndpoint(BarbicanException):
+    _msg = "Barbican endpoint not found in keystone catalog."
+
+
+class NoAuthPluginConfigured(BarbicanException):
+    _msg = ("You are using keystoneauth auth plugin that does not support "
+            "fetching endpoint list from token (noauth or admin_token).")
+
+
+class NoCredentials(BarbicanException):
+    _msg = "Please provide cloud name present in clouds.yaml."
+
+
+class ResourceNotFound(BarbicanException):
+    _msg = "Uniq resource: {resource} with name: {name} not found."
+
+    def __init__(self, resource, name, **kwargs):
+        super(BarbicanException, self).__init__(
+            self._msg.format(resource=resource, name=name))
+
+
+class MultipleResourcesFound(BarbicanException):
+    _msg = "Multiple resource: {resource} with name: {name} found."
+
+    def __init__(self, resource, name, **kwargs):
+        super(BarbicanException, self).__init__(
+            self._msg.format(resource=resource, name=name))
+
+
+def _get_raw_client(cloud_name):
+    service_type = 'key-manager'
+    adapter = os_client_config.make_rest_client(service_type,
+                                                cloud=cloud_name)
+    try:
+        access_info = adapter.session.auth.get_access(adapter.session)
+        endpoints = access_info.service_catalog.get_endpoints()
+    except (AttributeError, ValueError):
+        e = NoAuthPluginConfigured()
+        log.exception('%s' % e)
+        raise e
+    if service_type not in endpoints:
+        if not service_type:
+            e = NoBarbicanEndpoint()
+            log.error('%s' % e)
+            raise e
+    return adapter
+
+
+def send(method):
+    def wrap(func):
+        def wrapped_f(*args, **kwargs):
+            cloud_name = kwargs.pop('cloud_name')
+            if not cloud_name:
+                e = NoCredentials()
+                log.error('%s' % e)
+                raise e
+            adapter = _get_raw_client(cloud_name)
+            # Remove salt internal kwargs
+            kwarg_keys = list(kwargs.keys())
+            for k in kwarg_keys:
+                if k.startswith('__'):
+                    kwargs.pop(k)
+            url, request_kwargs = func(*args, **kwargs)
+            response = getattr(adapter, method)(url, **request_kwargs)
+            if not response.content:
+                return {}
+            try:
+                resp = response.json()
+            except:
+                resp = response.content
+            return resp
+        return wrapped_f
+    return wrap
+
+
+def _check_uuid(val):
+    try:
+        return str(UUID(val)).replace('-', '') == val
+    except (TypeError, ValueError, AttributeError):
+        return False
+
+
+def _parse_secret_href(href):
+    return urlsplit(href).path.split('/')[-1]
+
+
+def get_by_name_or_uuid(resource_list, resp_key):
+    def wrap(func):
+        def wrapped_f(*args, **kwargs):
+            if 'name' in kwargs:
+                ref = kwargs.pop('name', None)
+                start_arg = 0
+            else:
+                start_arg = 1
+                ref = args[0]
+            cloud_name = kwargs['cloud_name']
+            if _check_uuid(ref):
+                uuid = ref
+            else:
+                # Then we have name not uuid
+                resp = resource_list(
+                    name=ref, cloud_name=cloud_name)[resp_key]
+                if len(resp) == 0:
+                    raise ResourceNotFound(resp_key, ref)
+                elif len(resp) > 1:
+                    raise MultipleResourcesFound(resp_key, ref)
+                href = resp[0]['secret_ref']
+                uuid = _parse_secret_href(href)
+            return func(uuid, *args[start_arg:], **kwargs)
+        return wrapped_f
+    return wrap